How big is the thirty-three days? How does the heaven work? Is the underworld the six realms of reincarnation or drink Meng Po soup to cross the Naihe bridge? Are you in love? Let us follow Tang Rui, a former civil servant who is now a time traveler, who has been favored by the legacy of the 16th generation ancestor, into the cultivation of immortals and ranks in the immortal class!